Effect of Spatial Variability on the Simulation of Overland and Channel Flow

Runoff response to spatial variability in precipitation: an analysis of observed data

“…Many studies directly or indirectly investigated this hypothesis using models and/or synthetic rainfall data (e.g. Krajewski et al, 1991;Milly and Eagleson, 1988;Beven and Hornberger, 1982;Shanholtz et al, 1981;Wilson et al, 1979). However, recent studies (Carpenter et al, 2001;Smith et al, 1999;Bell and Moore, 1998;Seyfried and Wilcox, 1995;Obled et al, 1994;Pessoa et al, 1993;Naden, 1992) and more recently the results from Distributed Model Intercomparison Project (DMIP) (see Reed et al, 2004, this issue) suggest that distributed modeling approaches may not always provide improved outlet simulations compared to lumped conceptual models.…”